$BIIB
SEC EDGAR Filings Hub
2 Filings
$BIIB · BIOGEN INC. SEC Filings
Position Tracker tracks 2 SEC EDGAR filings for BIOGEN INC. ($BIIB) from October 28, 2026 through October 28, 2026, including 0 Form 10-K annual reports, 1 Form 10-Q quarterly earnings reports, 1 Form 8-K current event disclosures, and 0 Form 4 insider equity transactions. Select any filing below to read the full AI summary, key financial takeaways, and original SEC.gov document.
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Total Filings2
10-K / 10-Q Reports1
8-K Material Events1
Form 4 Insider0
High-Impact2
Latest FilingOctober 28, 2026
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Latest $BIIB SEC Filings & AI Summaries (2)
October 28, 2026
$BIIB 10-Q — BIOGEN INC.
A $2.8B-revenue quarter producing a GAAP loss signals that Biogen's acquisition-heavy strategy is creating significant below-the-line cost pressure that investors need to track.
October 28, 2026
$BIIB 8-K — BIOGEN INC.
Biogen's return to double-digit revenue growth is overshadowed by a massive IPR&D charge that flipped GAAP EPS negative, but the guidance raise and near-term Phase 3 catalysts g…
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